1. School of Civil Engineering Central South University Changsha China
2. MOE Key Laboratory of Engineering Structures of Heavy‐haul Railway Central South University Changsha China
3. Center for Railway Infrastructure Smart Monitoring and Management Central South University Changsha China
4. College of Engineering, Department of Civil and Environmental Engineering University of Massachusetts Amherst USA
5. School of Urban Economics and Management Beijing University of Civil Engineering and Architecture Beijing China
6. China Railway Group Limited Beijing China